Bill Guerin broke Gerber's shutout bid at 8:13 of the third period, cutting the Senators lead to 3-1, but Foligno and Fisher scored 45 seconds apart midway through the period to give the Sens a 5-1 lead.

DiPietro played the first period but Dubielewicz was the winner as the Islanders were 4-3 victors in overtime.

The Senators had the first nine shots of the opening period but the Islanders responded with seven of the next 10. Both Dubielewicz and Gerber both had moments to shine and keep the period scoreless. The Senators outshot the Islanders 37-27 overall.

The Senators scored three times in the second period to take control of the game. Spezza scored 62 seconds into the period while the Senators skated five-on-three. He parked himself at the side of the goal and converted a cross-crease pass from Heatley for a 1-0 lead.

Alfredsson increased that lead to 2-0 less than two minutes later when he beat Dubielewicz with a hard shot from the top of the faceoff circle.

With just seven seconds left in the period, Vermette scored a short-handed goal to give the Senators a 3-0 lead. After Chris Kelly hit the crossbar on a breakaway, Vermette pulled the puck out of the air at the side of the net, dropped it to his feet and quickly beat Dubielewicz on the short side.

Notes: The Islanders haven't scored a power-play goal in their past five games, which includes 15 opportunities. . . . With 85 goals, the Islanders are the lowest scoring team in the NHL this season. . . . Ottawa is 33-6-9-1 against the Islanders since the start of the 1994-95 season. . . . Spezza's second-period goal was the 300th point of his career and extended his current point streak to nine games. . . . Cody Bass collected his first NHL point with his third-period assist.